HTS 9027Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof

Product or HTS code

Rate lines44

Code	Description	General	Special	Column 2	Units
9027.10	9027.10Gas or smoke analysis apparatus
9027.10.20.00	9027.10.20.00ElectricalGeneral Free · Column 2 40% · kg, No.	Free		40%	kg, No.
	Other
9027.10.40.00	9027.10.40.00Optical instruments and apparatusGeneral Free · Column 2 50% · kg	Free		50%	kg
9027.10.60.00	9027.10.60.00OtherGeneral Free · Column 2 40% · kg	Free		40%	kg
9027.20	9027.20Chromatographs and electrophoresis instruments
9027.20.50	9027.20.50ElectricalGeneral Free · Column 2 40%	Free		40%
9027.20.50.30	9027.20.50.30Electrophoresis instrumentsGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.20.50.50	9027.20.50.50Gas chromatographsGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.20.50.60	9027.20.50.60Liquid chromatographsGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.20.50.80	9027.20.50.80OtherGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.20.80	9027.20.80OtherGeneral Free · Column 2 40%	Free		40%
9027.20.80.30	9027.20.80.30Gas chromatographsGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.20.80.60	9027.20.80.60Liquid chromatographsGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.20.80.90	9027.20.80.90OtherGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.30	9027.30Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared)
9027.30.40	9027.30.40ElectricalGeneral Free · Column 2 40%	Free		40%
9027.30.40.40	9027.30.40.40SpectrophotometersGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.30.40.80	9027.30.40.80OtherGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.30.80	9027.30.80OtherGeneral Free · Column 2 50%	Free		50%
9027.30.80.20	9027.30.80.20SpectroscopesGeneral Free · Column 2 50% · No.	Free		50%	No.
9027.30.80.80	9027.30.80.80OtherGeneral Free · Column 2 50% · No.	Free		50%	No.
9027.50	9027.50Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared)
9027.50.10.00	9027.50.10.00Exposure metersGeneral 1.2% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 27.5% · No.	1.2%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	27.5%	No.
	Other
9027.50.40	9027.50.40ElectricalGeneral Free · Column 2 40%	Free		40%
9027.50.40.15	9027.50.40.15Chemical analysis instruments and apparatusGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.50.40.20	9027.50.40.20Thermal analysis instruments and apparatusGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.50.40.50	9027.50.40.50PhotometersGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.50.40.60	9027.50.40.60OtherGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.50.80	9027.50.80OtherGeneral Free · Column 2 50%	Free		50%
9027.50.80.15	9027.50.80.15Chemical analysis instruments and apparatusGeneral Free · Column 2 50% · No.	Free		50%	No.
9027.50.80.20	9027.50.80.20Thermal analysis instruments and apparatusGeneral Free · Column 2 50% · No.	Free		50%	No.
9027.50.80.60	9027.50.80.60OtherGeneral Free · Column 2 50% · No.	Free		50%	No.
	Other instruments and apparatus
9027.81.00.00	9027.81.00.00Mass spectrometersGeneral Free · Column 2 40% · No.	Free		40%	No.
9027.89	9027.89Other
9027.89.25.00	9027.89.25.00Nuclear magnetic resonance instrumentsGeneral Free · Column 2 40% · No.	Free		40%	No.
	Other
9027.89.45	9027.89.45ElectricalGeneral Free · Column 2 40%	Free		40%
9027.89.45.30	9027.89.45.30Chemical analysis instruments and apparatusGeneral Free · Column 2 40% · kg	Free		40%	kg
9027.89.45.60	9027.89.45.60Physical analysis instruments and apparatusGeneral Free · Column 2 40% · kg	Free		40%	kg
9027.89.45.90	9027.89.45.90OtherGeneral Free · Column 2 40% · kg	Free		40%	kg
9027.89.80	9027.89.80OtherGeneral Free · Column 2 40%	Free		40%
9027.89.80.30	9027.89.80.30Chemical analysis instruments and apparatusGeneral Free · Column 2 40% · kg	Free		40%	kg
9027.89.80.60	9027.89.80.60Physical analysis instruments and apparatusGeneral Free · Column 2 40% · kg	Free		40%	kg
9027.89.80.90	9027.89.80.90OtherGeneral Free · Column 2 40% · kg	Free		40%	kg
9027.90	9027.90Microtomes; parts and accessories
9027.90.20.00	9027.90.20.00MicrotomesGeneral Free · Column 2 40% · No.	Free		40%	No.
	Parts and accessories
	Of electrical instruments and apparatus
9027.90.45.00	9027.90.45.00Printed circuit assemblies for the goods of subheading 9027.81 or 9027.89General Free · Column 2 40% · No.	Free		40%	No.
	Other
9027.90.54.00	9027.90.54.00Of electrophoresis instruments not incorporating an optical or other measuring deviceGeneral Free · Column 2 40% · kg	Free		40%	kg
9027.90.56	9027.90.56Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89General Free · Column 2 40%	Free		40%
9027.90.56.25	9027.90.56.25Of articles of subheading 9027.20.50General Free · Column 2 40% · kg	Free		40%	kg
9027.90.56.30	9027.90.56.30Of articles of subheading 9027.30.40General Free · Column 2 40% · kg	Free		40%	kg
9027.90.56.40	9027.90.56.40Of articles of subheading 9027.50.10General Free · Column 2 40% · kg	Free		40%	kg
9027.90.56.50	9027.90.56.50Of articles of subheading 9027.50.40General Free · Column 2 40% · kg	Free		40%	kg
9027.90.56.95	9027.90.56.95OtherGeneral Free · Column 2 40% · kg	Free		40%	kg
9027.90.59	9027.90.59OtherGeneral Free · Column 2 40%	Free		40%
9027.90.59.10	9027.90.59.10Of articles of subheading 9027.10.20General Free · Column 2 40% · kg	Free		40%	kg
9027.90.59.95	9027.90.59.95OtherGeneral Free · Column 2 40% · kg	Free		40%	kg
	Other
	Of optical instruments and apparatus
9027.90.64.00	9027.90.64.00Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89General Free · Column 2 50% · kg	Free		50%	kg
9027.90.68.00	9027.90.68.00OtherGeneral Free · Column 2 50% · kg	Free		50%	kg
	Other
9027.90.84.00	9027.90.84.00Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89General Free · Column 2 40% · kg	Free		40%	kg
9027.90.88.00	9027.90.88.00OtherGeneral Free · Column 2 40% · kg	Free		40%	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Germany15.93% of imports	Japan12.47% of imports	Singapore9.68% of imports	Malaysia8.06% of imports	Mexico7.95% of imports	United Kingdom6.1% of imports	China5.54% of imports	Switzerland4.42% of imports	Canada3.72% of imports	Sweden3.49% of imports
9027.10.20.00Electrical	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	From 12.5%9903.05.31Depends on product facts	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.10.40.00Optical instruments and apparatus	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.03	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.10.60.00Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.03	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.20.50.30Electrophoresis instruments	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.20.50.50Gas chromatographs	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.20.50.60Liquid chromatographs	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.20.50.80Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.20.80.30Gas chromatographs	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.20.80.60Liquid chromatographs	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.20.80.90Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.30.40.40Spectrophotometers	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.30.40.80Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.30.80.20Spectroscopes	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.30.80.80Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.50.10.00Exposure meters	10%9903.05.39	12.5%9903.05.49	13.7%9903.05.68	11.2%9903.05.54	11.2%9903.05.55	11.2%9903.05.81	38.7%9903.05.319903.88.01	12.5%9903.05.74	11.2%9903.05.29	10%9903.05.39
9027.50.40.15Chemical analysis instruments and apparatus	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.50.40.20Thermal analysis instruments and apparatus	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.50.40.50Photometers	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.50.40.60Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.50.80.15Chemical analysis instruments and apparatus	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.50.80.20Thermal analysis instruments and apparatus	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.50.80.60Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.81.00.00Mass spectrometers	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.89.25.00Nuclear magnetic resonance instruments	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.89.45.30Chemical analysis instruments and apparatus	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.89.45.60Physical analysis instruments and apparatus	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.89.45.90Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.89.80.30Chemical analysis instruments and apparatus	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.89.80.60Physical analysis instruments and apparatus	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.89.80.90Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.20.00Microtomes	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	20%9903.05.319903.88.15	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.45.00Printed circuit assemblies for the goods of subheading 9027.81 or 9027.89	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.54.00Of electrophoresis instruments not incorporating an optical or other measuring device	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.56.25Of articles of subheading 9027.20.50	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.56.30Of articles of subheading 9027.30.40	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.56.40Of articles of subheading 9027.50.10	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.56.50Of articles of subheading 9027.50.40	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.56.95Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.59.10Of articles of subheading 9027.10.20	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.59.95Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.64.00Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.68.00Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.03	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.84.00Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39
9027.90.88.00Other	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.68	10%9903.05.54	10%9903.05.55	10%9903.05.81	37.5%9903.05.319903.88.01	12.5%9903.05.74	10%9903.05.29	10%9903.05.39

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).